The original case design that started it all for the Heltec V3 Lora board (purchase separately). Unique 3D printed design in PLA Carbon Fiber material, provides grip and a rugged design. Install the buttons, board, SMA Pigtail and snap the 2 halves of the case together. Secure with (included) M3x12mm screw for a rock solid enclosure. Fits:- Battery up to 8mm x 30mm x 48mm- U.FL to SMA Pigtail 10cm long- Your choice of SMA antenna up to 10mm in diameter at the base Recommended component kit:https://muzi.works/products/heltec-kit Dimensions:- 45.5mm x 64.6mm x 19.5mm [1.79in x 2.54in x 0.77in]- 22g [0.78oz] What's included:- Case Front, Case Back, Buttons, Black Stainless Steel Screw (2.5mm Hex Drive), Assembly Instructions Meshtastic® is a registered trademark of Meshtastic LLC. Meshtastic software components are released under various licenses, see GitHub for details. No warranty is provided - use at your own risk.